EP0503124B1 - Récipient contenant un joint pour fermeture préparé d' un composition polymère - Google Patents

Récipient contenant un joint pour fermeture préparé d' un composition polymère Download PDF

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Publication number
EP0503124B1
EP0503124B1 EP91104029A EP91104029A EP0503124B1 EP 0503124 B1 EP0503124 B1 EP 0503124B1 EP 91104029 A EP91104029 A EP 91104029A EP 91104029 A EP91104029 A EP 91104029A EP 0503124 B1 EP0503124 B1 EP 0503124B1
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EP
European Patent Office
Prior art keywords
weight
polymer composition
container closure
gasket
closure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91104029A
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German (de)
English (en)
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EP0503124B2 (fr
EP0503124A1 (fr
Inventor
Tino Dr. Kuhn
Georg Dr. Schlenk
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Actega DS GmbH
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DS Chemie GmbH
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Application filed by DS Chemie GmbH filed Critical DS Chemie GmbH
Priority to DE59109008T priority Critical patent/DE59109008D1/de
Priority to ES91104029T priority patent/ES2118725T5/es
Priority to DK91104029T priority patent/DK0503124T4/da
Priority to EP91104029A priority patent/EP0503124B2/fr
Priority to US07/849,183 priority patent/US5639525A/en
Publication of EP0503124A1 publication Critical patent/EP0503124A1/fr
Publication of EP0503124B1 publication Critical patent/EP0503124B1/fr
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
    • B65D51/1661—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element by means of a passage for the escape of gas between the closure and the lip of the container mouth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/06—Sealings formed by liquid or plastic material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853—Vinylacetate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1328—Shrinkable or shrunk [e.g., due to heat, solvent, volatile agent, restraint removal, etc.]
    • Y10T428/1331—Single layer [continuous layer]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
    • Y10T428/1338—Elemental metal containing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
    • Y10T428/1341—Contains vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
    • Y10T428/1345—Single layer [continuous layer]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1348—Cellular material derived from plant or animal source [e.g., wood, cotton, wool, leather, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24496—Foamed or cellular component

Definitions

  • the invention relates to a vascular occlusion a sealing element made of a polymer compound, in particular a crown cork or screw cap, for bottles, glasses and the like, and such a sealing element for vascular occlusions, in particular bottle and glass closures made of metal or Plastic and the use of the polymer compound.
  • Polymer compound exists from a mixture of butyl rubber and one Poly- ⁇ -olefin component made of high density polyethylene (HDPE), a lubricant and usual additives such as pigments, talc and stabilizers and optionally one or more other polymer components with the exception of polyethylene (PE), Low density polyethylene (LDPE) and very low polyethylene Density (VLDPE) and EVA copolymer.
  • HDPE high density polyethylene
  • LDPE Low density polyethylene
  • VLDPE very low polyethylene Density
  • EVA copolymer EVA copolymer
  • Vascular occlusions must be designed so that they can be easily Have it attached to the vessel and still reliable seal while usually not undergoing secondary treatment should be necessary and taking the dimensions the vessel opening and its condition and roughness (for example in the case of reusable bottles) significantly different could be. It has therefore been around for a long time known, vessel closures, such as crown caps their interior facing the vessel with an elastic To provide sealing element, the sealing element at Put the closure between this closure and the Vessel is pressed together and therefore tightness is guaranteed.
  • polyethylene alone is used as a sealing material unsuitable, especially if temperature fluctuations or damaged Vascular openings must be considered.
  • Known polyethylene seals are also for reasons of tightness unsuitable for carbonated drinks.
  • Overpressures in the vessel can arise, for example, when overheated and cause the vessel to burst. This not only results in the loss of the contents, but also represents a very considerable risk of injury, especially from flying glass fragments.
  • the valve effect of the closure should ensure that the overpressure (mostly CO 2 ) can escape in time and can thus be rendered harmless.
  • Oxygen receptors oxygen-binding substances
  • DE-OS 15 44 989 are sealing inserts for container closures known from a variety of compounds can exist.
  • This state of the Technique uses low density polyethylene (LDPE) to make a particularly high degree of sealing and pressure retention to ensure long periods at elevated temperature.
  • LDPE low density polyethylene
  • Such compounds are also described in AU-A 439 947. Sealing elements made from these compounds are, however, for a pressure relief valve effect not suitable.
  • Do not process LDPE compounds trouble-free on modern machines, especially not with in-shell molding, because they lubricate and lump during granulation and after extrusion stick to the knife.
  • Vascular closures with sealing elements from polymer compounds and to specify such sealing elements that in the closed state of the vascular occlusion or vaporous substances such as oxygen and other taste-impairing Prevent substances into the vessel Enable barrier effect.
  • Vascular closures and sealing elements specify both the barrier effect mentioned as well as the pressure relief valve effect shown.
  • the polymer compound from which the sealing element according to the invention is made is easy to use manufacture available raw materials. It lets through Machines that are already used for processing comparable PVC materials are available and for example from the Company SACMI, Italy. To improve the cutting and transport behavior of the Polymer compounds can advantageously have a low content finely divided silica or amide wax may be provided.
  • the plasticized polymer compound is easy to extrude, cut and then compression molded. It hardens then in the shape you want.
  • This molded part which was made from the polymer compound and either adheres to or is inserted into the vascular occlusion is elastic with good dimensional stability, to ensure the tightness of all usual Applications of vascular occlusions is suitable.
  • the vessels can be used in suitable applications with a closure be subjected to pasteurization without this Gasket molding is damaged or leaking.
  • the sealing elements according to the invention result in between approximately 3 and 10 bar a pressure relief valve function, if it is exceeded of a certain internal pressure in the vessel is elastic give way and the overpressure producing material (mostly Allow carbon dioxide to escape. As soon as the internal pressure again has dropped to the predetermined value at which the valve action occurs, the sealing element closes the vascular occlusion again completely gas-tight to the vessel. So can be avoided be that at unforeseen and undesirable Overprint the containers burst.
  • the internal pressure at which the Pressure relief valve function can occur by mixing the Compounds and possibly its mechanical properties influencing additives are determined.
  • the sealing elements according to the invention show a pronounced barrier effect against access, for example Oxygen, benzene and chloroanisole in the container.
  • This barrier effect lasts for very long periods undiminished and prevents, for example, in Welded or shrink films packed, cardboard or palletized beer bottles through the entrance the taste of such substances is changed.
  • the polymer compound does not have low molecular weight plasticizers contains, it is from the perspective of food regulations harmless; if it gets into household waste, it can no harmful acid gases in a waste incineration plant submit because it is halogen-free.
  • vascular closures according to the invention comply with the regulations, as for example in the DIN standard 6099 for crown caps are set.
  • the polymer compound according to the Invention by appropriate choice of its composition the special Adapted to the requirements of the different applications can be.
  • the elasticity can be, for example, by affect the total proportion of additives that the initial Change the hardness of the components used.
  • the use of the polymer compound according to the invention offers the further advantage that the molded parts produced more easily can be known sealing elements, for example from PVC.
  • the polymer compound according to the invention can therefore be used for example inner liners for crown caps with a weight from only about 150 to 160 mg, which one doesn't insignificant material savings compared to known ones Represents PVC inner liners.
  • the use of the compounds according to the invention has the advantage that aromatic polymer content in the compound is completely avoided.
  • Styrene derivatives, sometimes in similar Compounds can contain the smell and taste adversely affect the packaged product.
  • the manufacture of the closure with sealing element takes place usually by means of the so-called "in-shell molding” process instead, as is the case with HC industrial machines, for example is applied.
  • the granulate of the compound is in an extruder that melts the product and then pumps to an opening. Outside this opening There is a rotating knife that holds the extrudate cuts a ball and throws it into the cap.
  • no adhesion to the cutting edge and good Spin properties are not the spin properties well, then the pellet does not land in the middle of the lock, what leads to empty spaces or burrs during forming.
  • the at Raw materials used in the invention are these important Factors guaranteed.
  • the closures In the filling plant, the closures must have torques below 2.16 Nm (0.22 kpm), preferably below 1.67 Nm (0.17 kpm), on the bottle or the glass can be screwed on.
  • the sealing element After closing the Bottle that is hot or cold, filled or even pasteurized may have been, the sealing element must be in its condition and maintain its shape. Most bottles are before consumption cooled in refrigerators to approx. 4 ° C, whereby also no shrinkage may occur. It goes without saying that no transport or storage in warm climates may cause excessive expansion or creep, which would lead to a loss of carbon dioxide.
  • a polymer compound is made by adding about 33% by weight Butyl rubber (commercially available under the name “Polysar EER 101 / 3® “available from Polysar) with about 33% by weight HDPE ("Eraclene HVSG 5215 P®” from Enichem) and about 30% by weight EVA copolymer ("Evatane 2805®” from ATO) can be mixed.
  • the EVA copolymer has a relative VA content of approx. 10%.
  • HDPE can be a mixture of LDPE ("Lupolen 1800 S®” from BASF AG) and PP with approximately the same Shore hardness can be used.
  • small amounts of less than 1% by weight of finely dispersed SiO 2 or silicone oil, pigments, stabilizers and erucic acid amide as well as 3.5% talc are added to the polymer compound.
  • the silicon content helps prevent the cut beads or lumps of the compound from adhering to the knife.
  • the polymer compound produced in this way is on a Given HC machine.
  • the polymer compound runs in this machine first in an extruder in which it melted becomes. It leaves the exit opening of the extruder as a plastic one Extrudate that is immediately behind the opening of one Knife is cut into lumps.
  • each of these lumps each weighing approximately 160 to 180 mg is applied to the inside surface of a screw cap flung from polypropylene (PP).
  • the still plastic one Polymer compound is made from a die on this inner surface distributed and pressed to a thin, approximately disc-shaped Form part. At the same time it is possible to do any about desired annular projections of the molded part form the bottle rim in the area of the opening reach around when the cap is screwed on.
  • the molded part that forms the inner insert After cooling and curing of the thermoplastic polymer compound is the molded part that forms the inner insert, under no longer plastically deformable under normal conditions of use, but presses against the edge of the bottle with an elastic sealing effect, when the cap is screwed onto the bottle. Due to its elasticity, the molded part can therefore have unevenness (for example due to damage) and also the Roughness of the bottle rim due to manufacturing tolerances compensate.
  • a polymer compound is made by adding about 48% by weight Butyl rubber can be mixed with about 48 wt .-% HDPE. Also in this case a mixture of approximately the same can be used instead of HDPE Shore hardness of LDPE with PP can be used.
  • the polymer compound produced in this way is converted into a HC machine given where it first goes into an extruder, in which it is melted. It leaves the exit opening of the extruder as a plastic extrudate made by a knife cut into individual lumps immediately behind the opening becomes.
  • Each of these lumps weighing about 220 to 240 mg is applied individually to the inner surface of an aluminum capsule flung, which forms the body of a screw cap.
  • the still plastic polymer compound is made from a die stamp Spread over this inner surface and pressed to a thin, in to form a disk-shaped part. Be at the same time approximately desired annular projections of the molded part are formed, which encompass the edge of the bottle in the area of the opening, when the cap is put on.
  • thermoplastic polymer compound After cooling and curing of the thermoplastic polymer compound is the molded part that forms the inner insert of the cap, no longer plastic under normal conditions of use deformable, but presses elastically against the bottle rim, when the cap is screwed on. Because of his Elasticity can therefore cause bumps (for example due to damage) and roughness due to Compensate manufacturing tolerances.
  • the embodiment 2 is repeated, with 5% once and once 20% polyamide ("Vestamid®", available from Hüls AG) be added.
  • Example 2 is repeated, with 40% by weight Polyurethane (FDA approved) can be added.
  • FDA approved Polyurethane
  • a polymer compound is made by adding about 40% by weight Butyl rubber (“Polysar EER 101 / 3®”) with about 55% EVA copolymer (10% VA content, available from ATO under the Name "EVATANE 2805®”) can be mixed.
  • the embodiment 6 is repeated, with 40 wt .-% Polyurethane (FDA approved) can be added.
  • the exemplary embodiment 6 is repeated, with 5 once % By weight, once 20% by weight of polyamide ("Vestamid®" from Hüls AG) be added.
  • vascular occlusions produced according to the above embodiments 1-9 show both a pronounced barrier effect and also valve properties.
  • Fig. 2 shows the development of pressure tightness with increasing Internal pressure, measured according to standard delivery conditions 49 beer export bottles three weeks after their closure by means of a Simmonazzi machine at high speed.
  • the hardness can be added, the polymer compound of the Molding be designed so that it is even the elevated temperature can withstand that during pasteurization occurs.
  • closures produced according to the invention are after curing of the polymer compound ready for use and can be store until used; the properties of the molded part, that forms the indoor use, even change over not for long periods.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Sealing Material Composition (AREA)

Claims (14)

  1. Fermeture de récipient avec élément de joint ou joint, en particulier fermeture de type capsule ou à vis, pour des bouteilles, verres et analogues, qui présente à l'état fermé un effet de barrière aux gaz et/ou un effet de vanne ou soupape de surpression ou sécurité et dont l'élément de joint consiste en un composé (ou composition) polymère, comprenant un mélange de caoutchouc butyle et d'un composé de poly-α-oléfine à base de polyéthylène haute densité (HDPE), un agent lubrifiant et des additifs usuels comme des pigments, du talc et des agents stabilisants ainsi que, le cas échéant, un ou plusieurs autres composés polymères à l'exception du polyéthylène (PE), polyéthylène basse densité (LDPE) et polyéthylène très basse densité (VLDPE) et EVA-copolymère.
  2. Fermeture selon la revendication 1, caractérisée en ce que le composé polymère présente une teneur ou une quantité de caoutchouc butyle comprise entre 20 % en poids et 60 % en poids, en particulier entre 30 % en poids et 50 % en poids, par rapport au poids total.
  3. Fermeture selon la revendication 1 ou 2, caractérisée en ce que le composé polymère présente une teneur ou une quantité de composé de poly-α-oléfine comprise entre 20 % en poids et 70 % en poids, en particulier entre 30 % en poids et 60 % en poids, par rapport au poids total.
  4. Fermeture selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le composé polymère comprend du caoutchouc butyle et le composé de poly-α-oléfine en parties en poids sensiblement égales, en particulier dans le rapport 1:1.
  5. Fermeture selon l'une quelconque des revendications 1 à 4, caractérisée en ce que le composé polymère contient comme agent lubrifiant du SiO2 en dispersion fine, une huile de silicone et/ou une cire d'amide ou céramide, en particulier un amide de l'acide cérutique.
  6. Fermeture selon la revendication 1, caractérisée en ce que le composé polymère comprend (en pourcent en poids, par rapport au poids total) : substance généralement de préférence particulièrement préféré caoutchouc butyle 40 - 60 45 - 52 48 HDPE 40 - 60 45 - 52 48
    ainsi que dans chaque cas moins de 0,5 % en poids d'agent lubrifiant, pigment et agent stabilisant, et moins de 5 % en poids de talc.
  7. Fermeture selon l'une ou plusieurs des revendications 1 à 6, caractérisée en ce que l'élément de joint est conçu comme un revêtement ou garnissage intérieur placé sur une surface intérieure de la fermeture de récipient tournée vers le bord ou côté du récipient à étanchéifier.
  8. Fermeture selon la revendication 7, présentant la forme d'une capsule, caractérisée en ce que le revêtement ou garnissage intérieur comprend entre environ 160 et 250 mg de composé polymère.
  9. Fermeture selon la revendication 7, présentant la forme d'un bouchon à vis en aluminium pour bouteilles, caractérisée en ce que le revêtement ou garnissage intérieur comprend entre environ 200 et 320 mg de composé polymère.
  10. Fermeture selon la revendication 7, présentant la forme d'une fermeture à vis en matière plastique pour bouteille, caractérisée en ce que le revêtement ou garnissage intérieur comprend entre environ 200 et 400 mg de composé polymère.
  11. Elément de joint ou joint pour fermeture de récipient, en particulier fermeture pour des bouteilles ou des verres en métal ou matière plastique, consistant en un composé polymère selon l'une ou plusieurs des revendications 1 à 10.
  12. Elément de joint selon la revendication 11, caractérisé en ce que l'élément de joint est conçu comme un revêtement ou garnissage intérieur pour une fermeture du type à vis pour bouteille ou à capsule approximativement en forme de rondelle circulaire.
  13. Elément de joint selon la revendication 11, caractérisé en ce que l'élément de joint est conçu comme une bague ou anneau d'étanchéité.
  14. Utilisation d'un composé polymère selon l'une des revendications 1 à 6, dans des fermetures de récipient comme barrière contre l'entrée d'oxygène.
EP91104029A 1991-03-15 1991-03-15 Récipient contenant un joint pour fermeture préparé d' un composition polymère Expired - Lifetime EP0503124B2 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE59109008T DE59109008D1 (de) 1991-03-15 1991-03-15 Gefässverschluss mit einem Dichtungselement aus einem Polymercompound
ES91104029T ES2118725T5 (es) 1991-03-15 1991-03-15 Cierre para recipientes con un elemento de obturacion de un compuesto de polimero.
DK91104029T DK0503124T4 (da) 1991-03-15 1991-03-15 Beholderlukke med et tætningselement af en polymerforbindelse
EP91104029A EP0503124B2 (fr) 1991-03-15 1991-03-15 Récipient contenant un joint pour fermeture préparé d' un composition polymère
US07/849,183 US5639525A (en) 1991-03-15 1992-03-11 Polymer compound for the production of sealing elements for vessel or container closures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91104029A EP0503124B2 (fr) 1991-03-15 1991-03-15 Récipient contenant un joint pour fermeture préparé d' un composition polymère

Publications (3)

Publication Number Publication Date
EP0503124A1 EP0503124A1 (fr) 1992-09-16
EP0503124B1 true EP0503124B1 (fr) 1998-06-10
EP0503124B2 EP0503124B2 (fr) 2008-04-02

Family

ID=8206526

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91104029A Expired - Lifetime EP0503124B2 (fr) 1991-03-15 1991-03-15 Récipient contenant un joint pour fermeture préparé d' un composition polymère

Country Status (5)

Country Link
US (1) US5639525A (fr)
EP (1) EP0503124B2 (fr)
DE (1) DE59109008D1 (fr)
DK (1) DK0503124T4 (fr)
ES (1) ES2118725T5 (fr)

Cited By (3)

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EP2058379A1 (fr) 2007-11-09 2009-05-13 ACTEGA DS GmbH Procédé de fabrication d'une fermeture de récipient
DE202009018714U1 (de) 2009-11-20 2012-11-12 Actega Ds Gmbh Polymercompound für Dichtungen bei fetthaltigen Füllgütern
US9540155B2 (en) 2009-11-20 2017-01-10 Actega Ds Gmbh Polymer compound for seals for use with fat-containing filling materials

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US7182986B1 (en) * 1998-07-09 2007-02-27 Kuraray Co., Ltd. Container cap
US6059737A (en) * 1998-09-30 2000-05-09 Becton Dickinson And Company Adhesive gasket for blood collection needles
CA2390117A1 (fr) 1999-11-15 2001-05-25 Exxon Chemical Patents, Inc. Production de copolymeres butylenes
US6858690B2 (en) * 1999-11-15 2005-02-22 Exxonmobil Chemical Patents Inc. Process for polymerizing cationically polymerizable monomers
EP2090416A1 (fr) 2008-02-12 2009-08-19 Till Isensee Procédé de fabrication d'un couvercle de boîte
EA032520B1 (ru) * 2009-11-20 2019-06-28 Актега Дс Гмбх Способ изготовления крышки с резьбой и с уплотняющим элементом и полимерная композиция для уплотняющего элемента
EA037724B1 (ru) * 2009-11-20 2021-05-14 Актега Дс Гмбх Способ изготовления крышки типа "press-on twist-off" с уплотняющим элементом и уплотняющий материал для крышки типа "press-on twist-off"
PL2509883T3 (pl) 2009-12-08 2017-09-29 Actega Ds Gmbh Mieszanki uszczelniające z materiałami typu scavenger o małym rozmiarze cząstek
DE102013101993A1 (de) * 2013-02-28 2014-08-28 Gerd Hoffmann Leckdichtung für einen insbesondere Öl oder eine ölhaltige Flüssigkeit enthaltenden Behälter
WO2015010718A1 (fr) 2013-07-22 2015-01-29 Actega Ds Gmbh Composés d'étanchéité à propriétés barrières
CN109265842B (zh) * 2018-08-24 2021-03-23 中国人民解放军63605部队 一种丁基橡胶密封圈及其制备方法和应用
CN111004597B (zh) * 2019-11-27 2021-11-26 杜潇 一种皇冠盖聚烯烃垫片的两亲性胶粘剂及其制备方法和应用

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2058379A1 (fr) 2007-11-09 2009-05-13 ACTEGA DS GmbH Procédé de fabrication d'une fermeture de récipient
EP2223984A1 (fr) 2007-11-09 2010-09-01 ACTEGA DS GmbH Pièce intercalaire comme élément d'un positionneur analogique
DE202008018549U1 (de) 2007-11-09 2015-08-25 Actega Ds Gmbh Dichtungselement für Nockendrehverschlüsse
EP2918652A1 (fr) 2007-11-09 2015-09-16 Actega DS GmbH Procédé de production d'une fermeture de récipient
EP3293241A1 (fr) 2007-11-09 2018-03-14 Actega DS GmbH Fermeture press-on twist-off
DE202009018714U1 (de) 2009-11-20 2012-11-12 Actega Ds Gmbh Polymercompound für Dichtungen bei fetthaltigen Füllgütern
US9540155B2 (en) 2009-11-20 2017-01-10 Actega Ds Gmbh Polymer compound for seals for use with fat-containing filling materials

Also Published As

Publication number Publication date
DE59109008D1 (de) 1998-07-16
US5639525A (en) 1997-06-17
EP0503124B2 (fr) 2008-04-02
DK0503124T3 (da) 1999-03-29
EP0503124A1 (fr) 1992-09-16
ES2118725T3 (es) 1998-10-01
ES2118725T5 (es) 2008-07-01
DK0503124T4 (da) 2008-07-21

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